Samsung PS51D6900DS - Page 23

4.Troubleshooting
■NoVideo
Symptom•Audioisnormalbutnopictureisdisplayedonthescreen.
MajorChecklist
•TheoutputvoltageoftheMainSMPS.
•ThismayhappenwhentheLVDScableconnectingtheMainBoardandthePanelis
disconnected.
Diagnostics
Yes
Yes
Yes
Re place the Main Boa rd.
Re place the LVDS Cable .
Check the LVDS conne ctor.
Is it conne cte d corre ctly?
Re place the SMP S .
Check the ea ch output of the S MP S .
Are a ll voltage nerma l?
Re place the Logic Boa rd.
Check the LED ope ra tion of Logic Boa rd
whitch is norma lly ope rating?
(Normal : Blink once a second)
No
No
No
CAUTION
MakesuretodisconnectthepowerbeforeworkingontheSMPSboard.
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